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Fix CVE-2019-19082

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Justin M. Forbes 2019-11-26 08:30:00 -06:00
commit bf6e2e5c45
2 changed files with 88 additions and 0 deletions
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82
0001-drm-amd-display-prevent-memory-leak.patch Normal file
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@ -0,0 +1,82 @@
From 104c307147ad379617472dd91a5bcb368d72bd6d Mon Sep 17 00:00:00 2001
From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Tue, 24 Sep 2019 23:23:56 -0500
Subject: [PATCH] drm/amd/display: prevent memory leak
In dcn*_create_resource_pool the allocated memory should be released if
construct pool fails.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 1 +
drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 1 +
drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c | 1 +
drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 1 +
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 1 +
5 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index afc61055eca1..1787b9bf800a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -1091,6 +1091,7 @@ struct resource_pool *dce100_create_resource_pool(
if (construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index c66fe170e1e8..318e9c2e2ca8 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -1462,6 +1462,7 @@ struct resource_pool *dce110_create_resource_pool(
if (construct(num_virtual_links, dc, pool, asic_id))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index 2b3a2917c168..83e1878161c9 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -1342,6 +1342,7 @@ struct resource_pool *dce112_create_resource_pool(
if (construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index 236c4c0324b1..8b85e5274bba 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -1208,6 +1208,7 @@ struct resource_pool *dce120_create_resource_pool(
if (construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 5a89e462e7cc..59305e411a66 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1570,6 +1570,7 @@ struct resource_pool *dcn10_create_resource_pool(
if (construct(init_data->num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
--
2.23.0

6
kernel.spec
View file

@ -667,6 +667,9 @@ Patch528: mwifiex-Fix-heap-overflow-in-mmwifiex_process_tdls_action_frame.patch
# CVE-2019-19078 rhbz 1776354 1776353
Patch529: ath10k-fix-memory-leak.patch
# CVE-2019-19082 rhbz 1776832 1776833
Patch530: 0001-drm-amd-display-prevent-memory-leak.patch
# END OF PATCH DEFINITIONS
%endif
@ -1868,6 +1871,9 @@ fi
#
#
%changelog
* Tue Nov 26 2019 Justin M. Forbes <jforbes@fedoraproject.org>
- Fix CVE-2019-19082 (rhbz 1776832 1776833)
* Mon Nov 25 2019 Justin M. Forbes <jforbes@fedoraproject.org> - 5.3.13-300
- Fix CVE-2019-14895 (rhbz 1774870 1776139)
- Fix CVE-2019-14896 (rhbz 1774875 1776143)